The fight happened at the Chuck E Cheese's restaurant during a child's birthday party Saturday, and included the arrests of at least three people, including the birthday child's mother, on drug charges.

Two men exchanged words in the restroom, and minutes later, 18 men were fighting in the dining room, even trampling all over the birthday boy's grandmother, a manager told WPBF 25 News' Terri Parker.

Employees were able to steer the brawlers outside, at which point some of the men drove to a location on Sixth Avenue nearby to continue the fight, when one man pulled out a gun and fired at a car, striking a passenger in the leg. That person's injuries are not life-threatening.

The person who fired the gun is now at large.

Meantime, three people, including a woman whom the manager said was the birthday child's mother, were arrested in the parking lot on drug charges and defrauding an innkeeper.

According to the probable cause affidavit, Briana Walker, Robert Thompson and Alfred Peoples fled the restaurant after the fight without paying the almost $300 bill.

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Police said Walker's purse contained part of a Xanax pill and a small amount of marijuana, and that someone on her side of the car had also thrown out packages containing marijuana, Xanax, crack cocaine and morphine.

The manager said someone left behind a diaper bag that contained bottles of Patron tequila and Ciroc vodka. The manager also told Parker that there was a brawl involving women at the same restaurant just last week.